Arnett and Applegate share a laugh at a Beverly Hills event. Plus: Beyoncé & Jay-Z, Christina Hendricks, Justin Timberlake and more


Jay-Z admires PEOPLE's 2012 World's Most Beautiful Woman, Beyoncé, at a New York party for the release of author Erica Reid's The Thriving Child on Tuesday – just one day after his wife made a splash at the Met Gala.

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